HyperDic: quantum_field_theory

English > 1 sense of the expression quantum field theory:
NOUNcognitionquantum field theorythe branch of quantum physics that is concerned with the theory of fields
English > quantum field theory: 1 sense > noun 1, cognition
MeaningThe branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states.
Narrowerquantum chromodynamics, QCDA theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus)
quantum electrodynamics, QEDA relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
Broaderquantum physicsThe branch of physics based on quantum theory

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